diff --git a/autoload/SpaceVim/layers/core/statusline.vim b/autoload/SpaceVim/layers/core/statusline.vim
index 99fa101a0..39c1beba9 100644
--- a/autoload/SpaceVim/layers/core/statusline.vim
+++ b/autoload/SpaceVim/layers/core/statusline.vim
@@ -448,9 +448,9 @@ function! SpaceVim#layers#core#statusline#get(...) abort
     return st
   elseif &filetype ==# 'vimchat'
     return '%#SpaceVim_statusline_ia#' . s:winnr(1) . '%#SpaceVim_statusline_ia_SpaceVim_statusline_b#' . s:lsep
-          \ . '%#SpaceVim_statusline_b# Chat %#SpaceVim_statusline_b_SpaceVim_statusline_c#' . s:lsep . ' '
+          \ . '%#SpaceVim_statusline_b# Chat %#SpaceVim_statusline_b_SpaceVim_statusline_c#' . s:lsep
           \ . '%#SpaceVim_statusline_c# '
-          \ . '%{chat#windows#status().protocol}' . ' %#SpaceVim_statusline_c_SpaceVim_statusline_b#' . s:lsep . ' '
+          \ . '%{chat#windows#status().protocol}' . ' %#SpaceVim_statusline_c_SpaceVim_statusline_b#' . s:lsep
           \ . '%#SpaceVim_statusline_b# '
           \ . '%{chat#windows#status().channel}' . ' %#SpaceVim_statusline_b_SpaceVim_statusline_c#' . s:lsep
   elseif &filetype ==# 'git-status'
diff --git a/bundle/vim-chat/autoload/chat/gitter.vim b/bundle/vim-chat/autoload/chat/gitter.vim
index 3cb6adf02..e1a605ee9 100644
--- a/bundle/vim-chat/autoload/chat/gitter.vim
+++ b/bundle/vim-chat/autoload/chat/gitter.vim
@@ -196,7 +196,9 @@ function! s:get_all_channels_stderr(id, data, event) abort
 endfunction
 function! s:get_all_channels_exit(id, data, event) abort
   call s:LOG.debug(a:data)
-  let s:channels = s:JSON.json_decode(join(s:list_all_channels_result, ''))
+  if a:data ==# 0
+    let s:channels = s:JSON.json_decode(join(s:list_all_channels_result, ''))
+  endif
 endfunction
 
 function! Test(str) abort
diff --git a/bundle/vim-chat/autoload/chat/windows.vim b/bundle/vim-chat/autoload/chat/windows.vim
index caa99d86b..97e3a7697 100644
--- a/bundle/vim-chat/autoload/chat/windows.vim
+++ b/bundle/vim-chat/autoload/chat/windows.vim
@@ -362,7 +362,7 @@ function! s:complete(base,num) abort
       let channels = chat#{s:protocol}#get_channels()
     catch
     endtry
-    let rsl = filter(copy(channels), "v:val =~ '^' . matchstr(a:base, '\\w*$')")
+    let rsl = filter(copy(channels), "v:val =~? '^' . matchstr(a:base, '\\w*$')")
     if len(rsl) > 0
       return matchstr(a:base, '^/set_channel\s*') . rsl[a:num % len(rsl)]
     endif